Dentro de la colección invertebrados fósiles del Museo Historia Natural Berlín (Alemania) se encuentra Ammonites Leonhardianus una nueva especie introducida por Karsten en 1858. Este taxón, Paralenticeras leonhardianus (Karsten, 1858) proviene Barbacoas (municipio Morán, estado Lara – Venezuela) sucesión calcárea Coniaciano que aparece al occidente El Tocuyo. De P. propone el lectotipo y tres p...

Abstract A diverse molluscan assemblage dominated by turritellid gastropods found in Kachchh, western India, has been interpreted the past as Late Jurassic (Oxfordian) age, based on associated undoubtedly Oxfordian ammonites. Recently, several investigations focused dealing with taxonomic, paleoecological, and evolutionary aspects. An analysis of bivalve fauna, foraminiferal assemblage, geologi...

Protected under National Nature Reserve, managed by the Departmental Council of Alpes de Haute-Provence, and labeled UNESCO Geopark, Ammonites Slab Digne-les-Bains (SE France) exhibits 1,550 ammonites over a large open-air surface. Despite virtual absence special enhancement for visitors, this spectacular geosite high scientific heritage value has played an important role in years 1990–2000 eme...

Representative ammonites of the Family Heteroceratidae have been studied in this paper. The following forms are recorded from the Koppeh-Dagh Basin: Heteroceras cf. colchicus Djanelidze, Heteroceras spp., Martelites cf. tenuicostatus (Kakabadze), Martelites securiformis (Simonovich, Bastevich and Sorokin), Martelites cf. tinae (Eristavi), Martelites sp.1, Martelites sp. 2, Argvethites sp., Imer...